org.springframework.integration.core.MessagingTemplate Maven / Gradle / Ivy
/*
* Copyright 2002-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.integration.core;
import java.util.Properties;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.integration.context.IntegrationContextUtils;
import org.springframework.integration.context.IntegrationProperties;
import org.springframework.integration.support.channel.ChannelResolverUtils;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.core.GenericMessagingTemplate;
/**
* @author Mark Fisher
* @author Oleg Zhurakousky
* @author Gary Russell
* @author Artem Bilan
* @since 1.0
*
*/
public class MessagingTemplate extends GenericMessagingTemplate {
private BeanFactory beanFactory;
private volatile boolean throwExceptionOnLateReplySet;
/**
* Create a MessagingTemplate with no default channel. Note, that one
* may be provided by invoking {@link #setDefaultChannel(MessageChannel)}.
*/
public MessagingTemplate() {
}
/**
* Create a MessagingTemplate with the given default channel.
* @param defaultChannel the default {@link MessageChannel} for {@code send} operations
*/
public MessagingTemplate(MessageChannel defaultChannel) {
super.setDefaultDestination(defaultChannel);
}
/**
* Overridden to set the destination resolver to a {@code integrationChannelResolver} bean.
*/
@Override
public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
this.beanFactory = beanFactory; //NOSONAR - non-sync is ok here
setDestinationResolver(ChannelResolverUtils.getChannelResolver(beanFactory));
}
@Override
public void setThrowExceptionOnLateReply(boolean throwExceptionOnLateReply) {
super.setThrowExceptionOnLateReply(throwExceptionOnLateReply);
this.throwExceptionOnLateReplySet = true;
}
/**
* Invokes {@code setDefaultDestination(MessageChannel)} - provided for
* backward compatibility.
* @param channel the channel to set.
*/
public void setDefaultChannel(MessageChannel channel) {
super.setDefaultDestination(channel);
}
@Override
public Message sendAndReceive(MessageChannel destination, Message requestMessage) {
if (!this.throwExceptionOnLateReplySet) {
synchronized (this) {
if (!this.throwExceptionOnLateReplySet) {
Properties integrationProperties =
IntegrationContextUtils.getIntegrationProperties(this.beanFactory);
Boolean throwExceptionOnLateReply = Boolean.valueOf(integrationProperties
.getProperty(IntegrationProperties.THROW_EXCEPTION_ON_LATE_REPLY));
super.setThrowExceptionOnLateReply(throwExceptionOnLateReply);
this.throwExceptionOnLateReplySet = true;
}
}
}
return super.sendAndReceive(destination, requestMessage);
}
public Object receiveAndConvert(MessageChannel destination, long timeout) {
Message message = doReceive(destination, timeout);
if (message != null) {
return doConvert(message, Object.class);
}
else {
return null;
}
}
public Message receive(MessageChannel destination, long timeout) {
return doReceive(destination, timeout);
}
}